Subjects in intervention group are treated NRT, counselling and traditional & complementary medicine treatment (Body acupuncture, Ear acupuncture and aromatic therapy). Body acupoints are HT7, LI4, ST36, LU7, LU6 on both sides. Ear acupoints are Shenmen, Lung, Pharynx, Trachea, Endocrine. Subjects are treated with acupuncture for 20 minutes per visit and put ear acupuncture like sticker for 1-2 days. Mixture oil of Lavender, peppermint, rosemary are used to massage behind the ears. It is used 2 times a day and they can adjust frequency depending on their cravings.(Investigator will check how much they used.)